linux-phytec-fsl

ARM: mx5/mx53_evk: Fix IOMUX for UART3

On mx53_evk board only RX/TX pins are used on UART3.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>